There are many issues concerning information security of digital libraries. Apart from traditional information security problems there are some specific ones for digital libraries. In this work we consider a behavioral modeling approach to discover unauthorized copying of a large amount of documents from a digital library. Supposing the regular user has interest in semantically related documents, we treat referencing to semantically unrelated documents as anomalous behavior that may indicate attempt of unauthorized large-scale copying. We use an adapted anomaly detection approach to discover attempts of unauthorized large-scale documents copying. We propose a method for constructing classifiers and profiles of regular users' behavior based on application of Markov chains. We also present the results of experiments conducted within development of a prototype digital library protection system. Finally, examples of a normal profile and an automatically detected anomalous session derived from the real data logs of a digital library illustrate the suggested approach to the problem.
CITATION STYLE
Ivashko, E. E., & Nikitina, N. N. (2012). A behavioral modeling approach to prevent unauthorized large-scale documents copying from digital libraries. In Behavior Computing: Modeling, Analysis, Mining and Decision (pp. 255–265). Springer-Verlag London Ltd. https://doi.org/10.1007/978-1-4471-2969-1_16
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